1.

The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore is (are)A. `Fe_(2)O_(3) +CO rarr 2FeO +CO_(2)`B. `FeO +Co rarr Fe +CO_(2)`C. `Fe_(2)O_(3) +3C rarr 2Fe +3CO`D. `CaO + SiO_(2) rarr CaSiO_(3)`

Answer» Correct Answer - C::D
`CaO +SiO_(2) rarr CaSiO_(3) (slag) 1000^(@)C`
`Fe_(2)O_(3) +3C rarr 2Fe +3CO` At.v.v high T. (Not possible in one step)


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